Photo by: Bassem TellawiUN observers welcome their comrades upon their return from al-Haffa, in northern Syria, to Damascus, Syria on Saturday, June 16, 2012. U.N. Observers in Syria suspended their activities and patrols Saturday because of escalating violence in the country, the head of the mission said, the strongest sign yet that an international peace plan for Syria is disintegrating. (AP Photo/Bassem Tellawi)